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Vigil@nce - usrsctp: out-of-bounds memory reading via sctp_load_addresses_from_init

May 2020 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability

SYNTHESIS OF THE VULNERABILITY

Impacted products: Debian, Fedora, Chrome, Edge Chromium, Firefox,
Thunderbird, openSUSE Leap, Opera, Solaris, RHEL, Slackware, SUSE
Linux Enterprise Desktop, SLES, Ubuntu.

Severity: 2/4.

Consequences: data reading, denial of service on service, denial
of service on client.

Provenance: document.

Confidence: confirmed by the editor (5/5).

Creation date: 19/03/2020.

DESCRIPTION OF THE VULNERABILITY

An attacker can force a read at an invalid address via
sctp_load_addresses_from_init() of usrsctp, in order to trigger a
denial of service, or to obtain sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/usrsctp-out-of-bounds-memory-reading-via-sctp-load-addresses-from-init-31834


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